| 八元瓜环对氯化矢车菊素溶解性、稳定性及抗氧化性的影响 |
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| 引用本文： | 蒋静,黄亚励,张奇龙,徐红,孙晓红.八元瓜环对氯化矢车菊素溶解性、稳定性及抗氧化性的影响[J].高等学校化学学报,2019,40(1):76. |
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| 作者姓名： | 蒋静 黄亚励 张奇龙 徐红 孙晓红 |
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| 作者单位： | 贵州医科大学环境污染与疾病监控教育部重点实验室,贵阳,550025;贵州医科大学基础医学院,贵阳,550025;贵州医科大学食品安全学院,贵阳,550025 |
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| 基金项目： | 贵州省区域内一流学科建设项目-公共卫生与预防医学(批准号: 黔教科研发2017[85]号)、 贵州省科技计划课题(批准号: 黔科合LH字[2015]7346)、 贵阳市科技计划项目(批准号: 筑科合同[2016001]001号)和贵州省苗医药重点实验室开放课题基金(批准号: 黔苗医药K字[2017]023)资助. |
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| 摘 要： | 采用核磁共振氢谱(1H NMR)、 红外光谱及紫外吸收光谱等方法考察了八元瓜环(Q8])对氯化矢车菊素(Cy)的包结作用. 结果表明, 在pH=0.8的盐酸介质中, Q8]可与Cy形成摩尔比为1:1的主客体配合物, 紫外吸收光谱法测得的主-客体结合常数为1.51×106 . 相溶解度研究结果表明, Q8]能使饱和Cy溶液的溶解度增大, 当Q8]浓度为100 μmol/L时, 可使Cy的溶解度增大12.21倍. 紫外吸收光谱随时间变化结果表明, 在较为稳定存在形态及相同实验条件下, Q8]/Cy溶液比Cy溶液的稳定性提高了2.58倍. 抗氧化性实验结果表明, Q8]/Cy包合物和Cy均表现出较好的抗氧化活性.
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| 关 键 词： | 八元瓜环 氯化矢车菊素 溶解性 稳定性 抗氧化性 |
| 收稿时间： | 2018-06-20 |
Effects of Cucurbit[8]uril on the Solubility,Stability and Antioxidation of Cyanidin† |
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| JIANG Jing,HUANG Yali,ZHANG Qilong,XU Hong,SUN Xiaohong.Effects of Cucurbit[8]uril on the Solubility,Stability and Antioxidation of Cyanidin†[J].Chemical Research In Chinese Universities,2019,40(1):76. |
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| Authors: | JIANG Jing HUANG Yali ZHANG Qilong XU Hong SUN Xiaohong |
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| Institution: | 1. Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, 2. School of Basic Medical Sciences, 3. School of Food Safety, Guizhou Medical University, Guiyang 550025, China |
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| Abstract: | The inclusion of cucurbit8]uril(Q8]) with cyanidin(Cy) was investigated and charactrized by means of nuclear magnetic resonance spectrometer, infrared spectroscopy and UV-visible spectrophotometer absorption spectroscopy. The results showed that Q8] and Cy could form a 1:1 host-guest complex in acid aqueous medium and the host-guest binding constant was determined to be 1.51×106. Phase solubility study results suggested that Q8] could increase the solubility of saturated Cy solution up to 12.21 times, and the results of time-dependent UV-Vis absorption spectra indicated that the stability of Q8]/Cy solution was 2.58 times higher than that of Cy solution in the same experimental conditions. The results of anti-oxidation experiments showed that both Q8]/Cy inclusion compound and Cy showed good antioxidant activity. |
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| Keywords: | Cucurbit[8]uril Cyanidin Solubility Stability Antioxidation |
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